Home / 42,303.26-63,436.21-12,715.43

Finding the Fourth Proportional to 42,303.26, 63,436.21 and 12,715.43

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Solution

The fourth proportional to 42,303.26, 63,436.21 and 12,715.43 is: 19,067.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,303.26 : 63,436.21 = 12,715.43 : x
  2. Step 2: Convert to fraction form
    42,303.26/63,436.21 = 12,715.43/x
  3. Step 3: Cross multiply
    42,303.26x = 63,436.21 × 12,715.43
  4. Step 4: Simplify right side
    42,303.26x = 806,618,767.10
  5. Step 5: Solve for x
    x = 806,618,767.10/42,303.26
  6. Step 6: Final answer
    x = 19,067.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.